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xz_007 [3.2K]
3 years ago
6

X-27 = 7x -15 please show the work, i’ll mark brainliest

Mathematics
2 answers:
viktelen [127]3 years ago
8 0

Answer:

x=-2

Step-by-step explanation:

x-27=7x-15(move variable left hand side /change sign)

x-7x-27=-15

x-7x=-15+27

-6x=-15+27

-6x=12

x=-2

qaws [65]3 years ago
5 0

Answer:

x=-2

Step-by-step explanation:

x-27 = 7x -15

subtract x from both sides

-27=6x-15

add 15 to both sides

-12=6x

divide both sides by 6

-2=x

x=-2

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Answer:

The equation representing the relationship is;

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Here, we want to find the equation representing the relationship between the charges and the number of days

Firstly, he charges $6.25 to walk a dog a day for 5 days, the amount charged per day will be $6.25/5 = $1.25

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4 years ago
What is the sum of the solutions of x2 + 9x + 20 = 0?
ZanzabumX [31]

Answer:

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Product of the solutions of 6x^2+7x=3 is -0.50

Step-by-step explanation:

1. x^2+9x+20=0

Given:

The expression whose sum of the solution is required is given as:

x^{2} +9x+20=0

For a quadratic equation of the form ax^2+bx+c=0 the sum of the solutions is given as:

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2. 6x^2+7x=3

Rewriting the above equation in a standard quadratic equation, we get:

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6 0
3 years ago
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